To reduce the likelihood of eye discomfort and damage, the following advice is considered good practice.

• Overhead Lighting Use filters to diffuse overhead lighting.
• Dim overhead lights.
• Keep in mind that recommended level of light in offices is 300–500 lux but only applies in the situation where there is no task lamp in use.

Windows and Walls

• Cover windows with adjustable blinds.
• Use matte finishes on walls, floors and furniture.

Monitors

• Adjust the brightness and contrast according to your preference.
• Use a light colour for the background.
• Place the monitor parallel (not directly below) with overhead lights.
• Angle the monitor away from lights and windows.
• Make sure that the task lamp illuminates the document and not the monitor.

Anti-Glare Screens
In general, anything between the operator and screen compromises the quality of the image. It’s far better to control glare by proper lighting design and placement of the monitor than by use of an anti-glare screen. Many monitors currently available are already equipped with low reflective screens.

Reducing Eye Strain
The ability to focus on objects at various distances decreases with age (presbyopia). There is a gradual deterioration in eyesight and, in addition, uncorrected vision may be an additional source of eye discomfort. It may have further consequences resulting in aches and pains because of awkward postures or positions adopted for better vision. Focusing our eyes on objects at the same distance and angle for prolonged periods of time can contribute to eye-strain.

To combat these problems you should, every few minutes:

• Look away from the screen for a few seconds;
• Look around;
• Focus on distant objects; and
• Blink several times.

Frequently “stretching” our eyes like this will prevent feelings of fatigue from accumulating.